5 things to remember-30°0′0″N 27°5′0″E

1.) There are four types of deserts. There are hot and arid deserts, like the Sonoran Desert in Arizona. Semi-Arid deserts, like the Great Basin in Nevada. Costal deserts, such as the Pacific coast of Baja California. The fourth type of deserts is cold deserts, like Greenland.
2.) One third of the earth's surface is covered by desert.
3.) Sand is the surface of the desert, but most deserts have gravelly bases under the sand surface.
4.) Along the Tropic of Cancer and the Tropic of Capricorn is called the desert belt.
5.) Deserts usually have hot days and cool nights.